Special vehicle for nuclear magnetic resonance room
Technical field
This utility model relates to a kind of special vehicle for nuclear magnetic resonance room.
Background technology
Nuclear magnetic resonance, NMR claims nuclear magnetic resonance again, be the characteristics of utilizing the nuclear spin campaign, human body is placed in the special externally-applied magnetic field, and hydrogen nuclei in radio frequency pulse excitation human body causes hydrogen nuclei resonance, and absorption energy, after stopping radio-frequency pulse, hydrogen nuclei sends the radio signal by characteristic frequency, and the energy that absorbs is discharged, included by external accepter, handle and the method for acquisition image through electronic computer.In the modern medicine field, nuclear magnetic resonance check has become one of routine examination, and increasing needs of patients carries out nuclear magnetic resonance check.Has high-intensity magnetic field owing to nuclear magnetic resonance, NMR is indoor, comprise common medical treatment transhipment flatcar so contain the various device of metallic iron parts, stretcher, operation car, patient's ring on one's body, glasses, the underwear buckle, the bone metal rack, article such as intravascular stent forbid to enter nuclear magnetic resonance room, critical patient advances, going out nuclear magnetic resonance room is checked, must or lift by medical personnel or family members' back of the body and pass in and out, this gives the patient particularly serious craniocerebral injury, patients such as fracture increase misery, even increase the weight of the state of an illness, medical personnel's labor intensity increases, and brings very big inconvenience to medical examination.
The utility model content
The purpose of this utility model provides a kind of special vehicle for nuclear magnetic resonance room, especially a kind ofly the patient can be pushed nuclear magnetic resonance room, and need not move the novel go-cart that the patient can be transferred on the nuclear magnetic resonance room examinating couch.
The purpose of this utility model is achieved by the following technical solution: special vehicle for nuclear magnetic resonance room comprises go-cart, stretcher, elevating mechanism, and this stretcher places in this go-cart.The stretcher front is provided with many rustless steel crossbeams, and many group horizontal sliding load-bearing stainless steel bearings and lateral orientation stainless steel bearing are housed on these many crossbeams; The stretcher top is provided with transversely movable PVC plastics bed board, and go-cart is provided with the elevating mechanism that makes the go-cart lifting.
As optimized technical scheme of the present utility model, described elevating mechanism comprises contractile rustless steel lifting rocking handle, the rustless steel drive link, bronze worm gear, the rustless steel worm screw, rustless steel lifter wheel and rustless steel lifter rack, lifting rocking handle and worm screw, worm gear connects, worm gear is connected through the lifter wheel of described drive link with these drive link two ends, lifter wheel and the lifter rack engagement that is arranged at the go-cart both sides, one group of elevating mechanism respectively is equipped with in the front and back end of go-cart, the worm screw of two groups of elevating mechanisms is connected by described rustless steel drive link, and lifter rack is arranged in four feets of go-cart.
Because special vehicle for nuclear magnetic resonance room of the present utility model does not adopt the irony parts, each parts of the rustless steel that it adopted and bronze worm gear and PVC plastics bed board all can enter nuclear magnetic resonance room and can not magnetized and then interfere with indoor magnetic field of nuclear magnetic resonance, NMR and working environment by indoor significant magnetic field, so the medical worker can push the patient nuclear magnetic resonance room; The bronze worm gear tough and hard wear resistant has reduced the wear rate of special vehicle for nuclear magnetic resonance room; Because the go-cart liftable, and bed board can so the medical worker can adjust to go-cart the height identical with the nuclear magnetic resonance check bed, be moved to the patient on the nuclear magnetic resonance check bed by translation again.Whole process medical worker need not to lift the patient, has reduced patient's misery, has reduced medical workers.
Description of drawings
Below in conjunction with accompanying drawing and specific embodiment special vehicle for nuclear magnetic resonance room of the present utility model is described further:
Fig. 1 is this utility model structural representation;
Fig. 2 is this utility model elevating mechanism structural representation;
Fig. 2-1 is an elevating mechanism partial top view among Fig. 2;
The specific embodiment
As shown in the figure, this utility model comprises go-cart 1, stretcher 2, elevating mechanism 3, and this stretcher 2 places in this go-cart 1.Stretcher 2 fronts are provided with many crossbeams 22, and many group horizontal sliding load-bearing bearings 24 and lateral orientation bearing 25 are housed on these many crossbeams 22; Stretcher 2 tops are provided with transversely movable PVC plastics bed board, and go-cart 1 is provided with the elevating mechanism 3 that makes the go-cart lifting.
Described stretcher 2 fronts are provided with five crossbeams 22, the top of every crossbeam 22 all is provided with a plurality of load-bearing bearings 27, intermediary three crossbeam 22 sides are equipped with bearing sliding tray 23, and horizontal sliding load-bearing bearing 24 is arranged in the sliding tray 23, and the load-bearing of bearing is directed upwardly; The crossbeam 22 at two ends is provided with the lateral orientation bearing 25 of control moving direction, and lateral orientation bearing 25 is two and is arranged at the both sides of every crossbeam 22 respectively with the moved further sliding bearing that stretcher 2 fronts also are provided with traversing position-sensing switch 26.
The many groups horizontal sliding load-bearing bearing 24 and the lateral orientation bearing 25 that are provided with on the crossbeam 22 in described stretcher 2 fronts and the crossbeam 22 can make bed board traversing on stretcher, and guarantee that it can offset direction.
In the practical operation, the patient who need is done nuclear magnetic resonance check pushes nuclear magnetic resonance room with the special-purpose vehicle of this utility model, directly bed board on the stretcher and patient are moved laterally on the nuclear magnetic resonance, NMR bed together then, after checking out, repeat above-mentioned action the patient is retracted on the special-purpose vehicle, release nuclear magnetic resonance room.Need not lift the patient back and forth like this, reduce patient's misery, also alleviate medical workers simultaneously.
As shown in Figure 2, described elevating mechanism 3 comprises lifting rocking handle 31, drive link 32, worm gear 33, worm screw 34, lifter wheel 35 and lifter rack 36.Lifting rocking handle 31 is connected with worm screw 34, worm gear 33, and worm gear 33 is connected through the lifter wheel 35 of a drive link 32 with these drive link 32 two ends, lifter wheel 35 and lifter rack 36 engagements that are arranged at go-cart 1 both sides; The worm screw 34 that 3, two groups of elevating mechanisms 3 of one group of elevating mechanism respectively are equipped with in the front and back end of go-cart 1 is connected by another drive link 32, and lifter rack 36 is arranged in four feets of go-cart.In the time will raising inside and outside go-cart 1, shake lifting handle 31 to the left or to the right, drive worm screw 34, worm gear 33 rotates, and drives lifter wheel 35 simultaneously and rotates, lifter wheel 35 drives lifter racks 36 and moves up and down, and reaches the purpose of the inside and outside go-cart 1 of lifting.Described lifting rocking handle 31 can shrink, to save the space.
The side of described stretcher 2 also is provided with folding guardrail 5, uses safer.
The bedstead of the car body of the special vehicle for nuclear magnetic resonance room of this utility model, stretcher 2, crossbeam 22, bearing sliding tray 23, horizontal sliding load-bearing bearing 24, lateral orientation bearing 25, traversing position-sensing switch 26, load-bearing bearing 27, drive link 32, lifting rocking handle 31, worm screw 34, lifter wheel 35, lifter rack 36, guardrail 5 are stainless steel, enter nuclear magnetic resonance room and can not magnetized and then interfere with indoor magnetic field of nuclear magnetic resonance, NMR and working environment by indoor significant magnetic field to guarantee described nuclear magnetic resonance, NMR special-purpose vehicle; The wheel of go-cart 1 adopts rubber, and worm gear 33 adopts than the rustless steel bronze material of tough and hard wear resistant more.